Marina Dobryagina@dobryaginaRussian FederationFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencedobryagina has not updated employment details yet.Educationdobryagina has not updated education details yet.